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Our IT guys dug into the pam.d directory and found several configuration problems. The nx file was definitely one of them:
“It looks like /etc/pam.d/nx was missing some settings to allow nxexec to bypass MFA” It took a few tries and a reboot, but they got it working. I’m not exactly sure what they did, but it now works and all is well! Thanks!
I found a couple of things: https://www.nomachine.com/AR08M00857 and https://www.nomachine.com/DT10O00162. I’ll see what I can come up with based on this.
I put everything back to the original (and latest NoMachine 6.9.2), plugged in a terminal to the box with the black screen, and now it works fine. This is definitely a user error problem, thank you for the help!
So the files didn’t make it, but it looks like that doesn’t matter. I ran nxexec –auth directly and got the following:
/usr/NX/bin/nxexec –auth
Username:mrosing
Please wait…
Please wait…
Please wait…
ERROR: Internal exception.
4689 4689 08:12:35 228 nxexecPAMCheckCredentials: ERROR!Authentication failed with error 7.
Login failed.There is nothing in the log from this interaction. How can I turn on debugging to figure out why this is happening?
Thanks!
Mike
We changed to a different computer which is actually headless. This time I got a set of log files, and the message:
The session negotiation failed.
Error: Cannot create a new display, please contact your system administrator
The log files are attached.
Hopefully there is a clue on how to make this work.
I uninstalled and re-installed on both sides and still got black screen. Then I turned off gdm, and still got a black screen. There are no errors in the logs on the server side, but the client side shows:
19176 20295 08:20:14 390.375 ServerNetworkInfoHandler: WARNING! Obtaining network data failed.
Rebooting to run level 3 via remote vpn is problematic. Is there a way to capture more verbose info to help debug this?
Thanks.